Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Oxford Dam | Duke Energy Carolinas, LLC | Conover, NC | Duke Energy Carolinas (DUK) | 87.3 GWh | Mar 1928 | Dec 2023 | Water |
| Spaulding 1 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 36.6 GWh | Apr 1928 | Dec 2023 | Water |
| Marshall (MI) | City of Marshall - (MI) | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 611.0 MWh | May 1928 | Dec 2023 | Water |
| Santeetlah | Brookfield Smoky Mountain Hydropower LP | Robbinsville, NC | Tennessee Valley Authority (TVA) | 161.4 GWh | May 1928 | Dec 2023 | Water |
| Yates Dam | Alabama Power Co | Tallassee, AL | Southern Company Services, Inc. - Trans (SOCO) | 118.8 GWh | Jun 1928 | Dec 2023 | Water |
| Big Creek 2A | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 325.9 GWh | Jul 1928 | Mar 2025 | Water |
| High Dam | Oswego City of | Oswego, NY | New York Independent System Operator (NYIS) | 3.8 GWh | Jul 1928 | Dec 2023 | Water |
| Tillery | Duke Energy Progress - (NC) | Mount Gilead, NC | Duke Energy Progress East (CPLE) | 166.4 GWh | Jul 1928 | Dec 2023 | Water |
| Jordan Dam | Alabama Power Co | Wetumpka, AL | Southern Company Services, Inc. - Trans (SOCO) | 263.3 GWh | Dec 1928 | Dec 2023 | Water |
| Rockton | Eagle Creek Renewable Energy, LLC | Rockton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 5.8 GWh | Dec 1928 | Dec 2023 | Water |
| Moshier | Erie Boulevard Hydropower LP | Lowville, NY | New York Independent System Operator (NYIS) | 43.5 GWh | Dec 1928 | Dec 2023 | Water |
| Argyle | City of Argyle - (WI) | Argyle, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.0 MWh | Dec 1928 | Dec 2023 | Distillate Fuel Oil : 70.0% Water : 30.0% |
| Port Townsend Paper | Port Townsend Paper Co | Port Townsend, WA | Bonneville Power Administration (BPAT) | 35.3 GWh | Dec 1928 | Dec 2023 | Black Liquor : 81.5% Wood/Wood Waste Solids : 13.7% Natural Gas : 3.5% Waste/Other Oil : 1.3% |
| Sappi Cloquet Mill | Sappi Cloquet LLC | Cloquet, MN | Midcontinent Independent System Operator, Inc. (MISO) | 469.8 GWh | Dec 1928 | Mar 2025 | Black Liquor : 66.5% Wood/Wood Waste Solids : 16.8% Natural Gas : 12.1% Water : 3.9% |
| Spaulding 3 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 18.3 GWh | Jan 1929 | Dec 2023 | Water |
| Milton | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 48.3 GWh | Jan 1929 | Dec 2023 | Water |
| Kaweah 2 | Southern California Edison Co | Three Rivers, CA | California Independent System Operator (CISO) | 693.0 MWh | Aug 1929 | Dec 2023 | Water |
| Garnett Municipal | City of Garnett - (KS) | Garnett, KS | Southwest Power Pool (SWPP) | 9.0 MWh | Dec 1929 | Dec 2023 | Distillate Fuel Oil |
| Wyman Hydro | Brookfield White Pine Hydro LLC | Bingham, ME | ISO New England (ISNE) | 501.6 GWh | Dec 1929 | Dec 2023 | Water |
| Cobble Mountain | City of Holyoke Gas and Electric Dept. | Granville, MA | ISO New England (ISNE) | 10.5 GWh | Dec 1929 | Dec 2023 | Water |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 295.0 GWh | Dec 1929 | Dec 2023 | Water |
| Lighthouse Hill | Erie Boulevard Hydropower LP | Altmar, NY | New York Independent System Operator (NYIS) | 24.2 GWh | Dec 1929 | Dec 2023 | Water |
| Arcadia Electric | City of Arcadia - (WI) | Arcadia, WI | Midcontinent Independent System Operator, Inc. (MISO) | 164.0 MWh | Dec 1929 | Dec 2023 | Distillate Fuel Oil : 65.3% Natural Gas : 34.7% |
| E J West | Erie Boulevard Hydropower LP | Lake Luzerne, NY | New York Independent System Operator (NYIS) | 69.4 GWh | Dec 1929 | Dec 2023 | Water |
| Flambeau Crowley Rapids Project | Renewable World Energies LLC | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.5 GWh | Dec 1929 | Dec 2023 | Water |
| Stewart Mountain | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 35.0 GWh | Feb 1930 | Dec 2023 | Water |
| Calderwood | Brookfield Smoky Mountain Hydropower LP | Tallassee, TN | Tennessee Valley Authority (TVA) | 521.6 GWh | Mar 1930 | Dec 2023 | Water |
| Lake Blackshear Project | Crisp County Power Comm | Warwick, GA | Southern Company Services, Inc. - Trans (SOCO) | 42.9 GWh | Apr 1930 | Dec 2023 | Water |
| Pardee | East Bay Municipal Util Dist | Valley Springs, CA | California Independent System Operator (CISO) | 181.6 GWh | Jun 1930 | Dec 2023 | Water |
| Walters | Duke Energy Progress - (NC) | Waterville, NC | Duke Energy Progress East (CPLE) | 321.0 GWh | Jun 1930 | Dec 2023 | Water |
| Falls City | City of Falls City - (NE) | Falls City, NE | Southwest Power Pool (SWPP) | 161.0 MWh | Jul 1930 | Dec 2023 | Natural Gas : 65.4% Distillate Fuel Oil : 34.6% |
| Saluda Lexington | Dominion Energy South Carolina, Inc | Columbia, SC | Dominion Energy South Carolina, Inc. (SCEG) | 109.5 GWh | Jul 1930 | Dec 2023 | Water |
| Comerford | Great River Hydro, LLC | Monroe, NH | ISO New England (ISNE) | 405.1 GWh | Aug 1930 | Dec 2023 | Water |
| Louisiana Sugar Refining | Louisiana Sugar Refining LLC | Gramercy, LA | Midcontinent Independent System Operator, Inc. (MISO) | 23.2 GWh | Aug 1930 | Dec 2023 | Natural Gas |
| Yelm | City of Centralia - (WA) | Yelm, WA | Bonneville Power Administration (BPAT) | 26.2 GWh | Nov 1930 | Dec 2023 | Water |
| Cushman 2 | City of Tacoma - (WA) | Shelton, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 168.5 GWh | Nov 1930 | Dec 2023 | Water |
| Thurlow Dam | Alabama Power Co | Tallassee, AL | Southern Company Services, Inc. - Trans (SOCO) | 222.2 GWh | Dec 1930 | Dec 2023 | Water |
| Victoria Dam | Upper Peninsula Power Company | Rockland, MI | Midcontinent Independent System Operator, Inc. (MISO) | 52.7 GWh | Dec 1930 | Dec 2023 | Water |
| Mcindoes | Great River Hydro, LLC | Barnet, VT | ISO New England (ISNE) | 56.1 GWh | Dec 1930 | Dec 2023 | Water |
| Beebee Island Hydro Plant | Erie Boulevard Hydropower LP | Watertown, NY | New York Independent System Operator (NYIS) | 55.3 GWh | Dec 1930 | Dec 2023 | Water |
| Dexter Plant | Central Rivers Power US, LLC | Dexter, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Dec 1930 | Dec 2023 | Water |
| Ozark Beach | Empire District Electric Co | Forsyth, MO | Southwest Power Pool (SWPP) | 55.7 GWh | May 1931 | Dec 2023 | Water |
| Salt Springs | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 200.8 GWh | May 1931 | Dec 2023 | Water |
| Tiger Creek | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 246.0 GWh | May 1931 | Dec 2023 | Water |
| Hardy | Consumers Energy Co - (MI) | Newaygo, MI | Midcontinent Independent System Operator, Inc. (MISO) | 76.5 GWh | May 1931 | Dec 2023 | Water |
| Blue Ridge | Tennessee Valley Authority | Blue Ridge, GA | Tennessee Valley Authority (TVA) | 21.2 GWh | Jun 1931 | Dec 2023 | Water |
| West Charleston | Barton Village, Inc | West Charleston, VT | ISO New England (ISNE) | 6.3 GWh | Jun 1931 | Dec 2023 | Water |
| Merwin | PacifiCorp | Ariel, WA | PacifiCorp West (PACW) | 471.6 GWh | Jun 1931 | Dec 2023 | Water |
| Ottumwa City of | Ottumwa City of | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Jul 1931 | Dec 2023 | Water |
| Osage Dam | Union Electric Co - (MO) | Eldon, MO | Midcontinent Independent System Operator, Inc. (MISO) | 176.1 GWh | Sep 1931 | Dec 2023 | Water |
| Rock Island | PUD No 1 of Chelan County | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 2.1 TWh | Sep 1931 | Mar 2025 | Water |
| Prickett | Upper Peninsula Power Company | Pelkie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 7.7 GWh | Oct 1931 | Dec 2023 | Water |
| Safe Harbor | Safe Harbor | Conestoga, PA | PJM Interconnection, LLC (PJM) | 989.2 GWh | Nov 1931 | Dec 2023 | Water |
| Carpenter | Entergy Arkansas LLC | Hot Springs, AR | Midcontinent Independent System Operator, Inc. (MISO) | 150.6 GWh | Dec 1931 | Dec 2023 | Water |
| Bennetts Bridge | Erie Boulevard Hydropower LP | Altmar, NY | New York Independent System Operator (NYIS) | 96.0 GWh | Dec 1931 | Dec 2023 | Water |
| Saint Marys Falls | USACE-Detroit District | Sault Ste. Marie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 162.7 GWh | Jun 1932 | Dec 2023 | Water |
| Granite Falls | City of Granite Falls - (MN) | Granite Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 604.0 MWh | Jul 1932 | Dec 2023 | Water |
| Eagle Pass | Maverick Cty Water Control & Improvement | Eagle Pass, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 33.2 GWh | Jul 1932 | Mar 2025 | Water |
| Cashton | Village of Cashton - (WI) | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 15.0 MWh | Jul 1932 | Dec 2023 | Distillate Fuel Oil |
| Fries Hydroelectric Project | Central Rivers Power US, LLC | Fries, VA | PJM Interconnection, LLC (PJM) | 20.6 GWh | Dec 1932 | Sep 2024 | Water |
| High Shoals Hydro (NC) | Central Rivers Power US, LLC | High Shoals, NC | Duke Energy Carolinas (DUK) | 3.9 GWh | Jun 1934 | Mar 2025 | Water |
| Clevelandcliffs Warren | Clevelandcliffs Warren | Warren, OH | PJM Interconnection, LLC (PJM) | 53.3 GWh | Sep 1934 | Sep 2024 | Other Gas : 62.9% Natural Gas : 37.1% |
| Radford | City of Radford - (VA) | Radford, VA | PJM Interconnection, LLC (PJM) | 6.1 GWh | Sep 1934 | Dec 2023 | Water |
| Paris (KY) | City of Paris - (KY) | Paris, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 337.1 MWh | Nov 1934 | Dec 2023 | Distillate Fuel Oil |
| Messalonskee 5 | Messalonskee Stream Hydro LLC | Waterville, ME | ISO New England (ISNE) | 5.1 GWh | Dec 1934 | Dec 2023 | Water |
| Chemical | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 7.4 GWh | Dec 1934 | Dec 2023 | Water |
| Allegan Dam | Consumers Energy Co - (MI) | Allegan, MI | Midcontinent Independent System Operator, Inc. (MISO) | 11.9 GWh | Dec 1934 | Dec 2023 | Water |
| Unionville City of | City of Unionville - (MO) | Unionville, MO | Associated Electric Cooperative, Inc. (AECI) | 11.0 MWh | Dec 1934 | Dec 2023 | Distillate Fuel Oil |
| North Platte | Nebraska Public Power District | North Platte, NE | Southwest Power Pool (SWPP) | 48.3 GWh | Dec 1934 | Dec 2023 | Water |
| Twin Falls (ID) | Idaho Power Co | Kimberly, ID | Idaho Power Company (IPCO) | 37.1 GWh | Feb 1935 | Dec 2023 | Water |
| London | Appalachian Power Co | Handley, WV | PJM Interconnection, LLC (PJM) | 65.1 GWh | Nov 1935 | Dec 2023 | Water |
| Marmet | Appalachian Power Co | Marmet, WV | PJM Interconnection, LLC (PJM) | 58.7 GWh | Nov 1935 | Dec 2023 | Water |
| Upriver Dam Hydro Plant | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 36.8 GWh | Dec 1935 | Dec 2023 | Water |
| Jackson (MO) | City of Jackson - (MO) | Jackson, MO | Midcontinent Independent System Operator, Inc. (MISO) | 137.0 MWh | Dec 1935 | Dec 2023 | Distillate Fuel Oil : 59.8% Natural Gas : 40.2% |
| Columbus | Loup River Public Power Dist | Columbus, NE | Southwest Power Pool (SWPP) | 123.8 GWh | Dec 1935 | Dec 2023 | Water |
| Monroe (NE) | Loup River Public Power Dist | Monroe, NE | Southwest Power Pool (SWPP) | 27.0 GWh | Dec 1935 | Dec 2023 | Water |
| Newport | Great Bay Hydro Corp | Newport, VT | ISO New England (ISNE) | 19.8 GWh | Dec 1935 | Dec 2023 | Water |
| Cushing | City of Cushing - (OK) | Cushing, OK | Southwest Power Pool (SWPP) | 575.0 MWh | May 1936 | Dec 2023 | Natural Gas : 92.9% Distillate Fuel Oil : 7.1% |
| Hawks Nest Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 435.2 GWh | May 1936 | Dec 2023 | Water |
| Norris Dam | Tennessee Valley Authority | Norris, TN | Tennessee Valley Authority (TVA) | 294.8 GWh | Jun 1936 | Dec 2023 | Water |
| Wahoo | City of Wahoo - (NE) | Wahoo, NE | Southwest Power Pool (SWPP) | 58.0 MWh | Jul 1936 | Dec 2023 | Natural Gas : 81.9% Distillate Fuel Oil : 18.1% |
| Hoover Dam (NV) | U S Bureau of Reclamation | Boulder City, NV | Western Area Power Administration - Desert Southwest Region (WALC) | 1.8 TWh | Aug 1936 | Mar 2025 | Water |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 1.2 TWh | Aug 1936 | Mar 2025 | Water |
| Tennessee Eastman Operations | Eastman Chemical Co-TN Ops | Kingsport, TN | PJM Interconnection, LLC (PJM) | 1.1 TWh | Aug 1936 | Mar 2025 | Natural Gas : 59.5% Bituminous Coal : 38.9% Other Gas : 1.0% Sludge Waste : 0.7% |
| Diablo | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 548.9 GWh | Sep 1936 | Dec 2023 | Water |
| Wheeler Dam | Tennessee Valley Authority | Town Creek, AL | Tennessee Valley Authority (TVA) | 1.1 TWh | Oct 1936 | Dec 2023 | Water |
| Broken Bow | City of Broken Bow - (NE) | Broken Bow, NE | Southwest Power Pool (SWPP) | 82.0 MWh | Nov 1936 | Dec 2023 | Distillate Fuel Oil : 95.2% Natural Gas : 4.8% |
| Scotland Dam | FirstLight Power Resources Services LLC | Windham, CT | ISO New England (ISNE) | 9.6 GWh | Dec 1936 | Dec 2023 | Water |
| Cataract Hydro | Brookfield White Pine Hydro LLC | Saco, ME | ISO New England (ISNE) | 2.0 GWh | Dec 1936 | Dec 2023 | Water |
| Clark Falls | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 19.8 GWh | Jan 1937 | Dec 2023 | Water |
| Blooming Prairie | City of Blooming Prairie - (MN) | Blooming Prairie, MN | Midcontinent Independent System Operator, Inc. (MISO) | 167.0 MWh | Apr 1937 | Dec 2023 | Distillate Fuel Oil |
| High Street Station | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 28.0 MWh | May 1937 | Dec 2023 | Natural Gas : 75.8% Distillate Fuel Oil : 24.2% |
| Eastman Falls | Central Rivers Power NH, LLC | Franklin, NH | ISO New England (ISNE) | 33.2 GWh | Jul 1937 | Dec 2023 | Water |
| Upper Salmon A | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 81.7 GWh | Aug 1937 | Dec 2023 | Water |
| Spanish Fork | Strawberry Water Users Assn | Spanish Fork, UT | PacifiCorp East (PACE) | 11.5 GWh | Sep 1937 | Dec 2023 | Water |
| Clear Lake | Idaho Power Co | Buhl, ID | Idaho Power Company (IPCO) | 8.4 GWh | Nov 1937 | Dec 2023 | Water |
| Ketchikan | Ketchikan Public Utilities | Ketchikan, AK | 22.4 GWh | Dec 1937 | Dec 2023 | Water | |
| Buchanan Dam (TX) | Lower Colorado River Authority | Buchanan Dam, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 14.1 GWh | Dec 1937 | Dec 2023 | Water |
| Inks | Lower Colorado River Authority | Buchanan Dam, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 8.4 GWh | Dec 1937 | Dec 2023 | Water |
| Tomahawk | Wisconsin Public Service Corp | Tomahawk, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1937 | Dec 2023 | Water |
Summary of Power Plants By State
Figures are based on March 2025 generation numbers.| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,399.45 GWh |
| Alaska | # 48 | 137 | 460.30 GWh |
| Arizona | # 16 | 167 | 7,756.35 GWh |
| Arkansas | # 29 | 79 | 4,503.48 GWh |
| California | # 5 | 1,565 | 15,306.94 GWh |
| Colorado | # 30 | 257 | 4,337.74 GWh |
| Connecticut | # 31 | 152 | 3,831.37 GWh |
| Delaware | # 50 | 30 | 183.34 GWh |
| District of Columbia | # 51 | 12 | 15.27 GWh |
| Florida | # 3 | 305 | 18,686.61 GWh |
| Georgia | # 9 | 239 | 9,979.52 GWh |
| Hawaii | # 46 | 67 | 749.10 GWh |
| Idaho | # 43 | 126 | 1,488.21 GWh |
| Illinois | # 4 | 332 | 15,592.21 GWh |
| Indiana | # 12 | 201 | 8,849.97 GWh |
| Iowa | # 20 | 279 | 6,323.45 GWh |
| Kansas | # 25 | 157 | 5,176.23 GWh |
| Kentucky | # 24 | 56 | 5,180.56 GWh |
| Louisiana | # 18 | 81 | 6,708.43 GWh |
| Maine | # 45 | 157 | 1,313.29 GWh |
| Maryland | # 39 | 179 | 2,427.73 GWh |
| Massachusetts | # 42 | 597 | 1,608.56 GWh |
| Michigan | # 10 | 263 | 9,898.87 GWh |
| Minnesota | # 26 | 736 | 5,082.27 GWh |
| Mississippi | # 19 | 53 | 6,374.07 GWh |
| Missouri | # 21 | 116 | 5,776.95 GWh |
| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 67 | 2,309.70 GWh |
| Nebraska | # 37 | 117 | 3,008.88 GWh |
| Nevada | # 34 | 109 | 3,381.98 GWh |
| New Hampshire | # 44 | 56 | 1,374.49 GWh |
| New Jersey | # 28 | 371 | 4,514.07 GWh |
| New Mexico | # 35 | 138 | 3,378.20 GWh |
| New York | # 8 | 818 | 10,278.94 GWh |
| North Carolina | # 11 | 877 | 9,080.20 GWh |
| North Dakota | # 33 | 57 | 3,690.67 GWh |
| Ohio | # 6 | 190 | 11,252.37 GWh |
| Oklahoma | # 17 | 129 | 6,972.70 GWh |
| Oregon | # 22 | 254 | 5,543.74 GWh |
| Pennsylvania | # 2 | 237 | 19,658.43 GWh |
| Rhode Island | # 47 | 94 | 622.24 GWh |
| South Carolina | # 14 | 194 | 8,606.12 GWh |
| South Dakota | # 41 | 52 | 1,945.10 GWh |
| Tennessee | # 23 | 85 | 5,241.09 GWh |
| Texas | # 1 | 818 | 43,194.33 GWh |
| Utah | # 36 | 114 | 3,056.84 GWh |
| Vermont | # 49 | 112 | 230.44 GWh |
| Virginia | # 15 | 214 | 8,465.83 GWh |
| Washington | # 13 | 127 | 8,662.62 GWh |
| West Virginia | # 38 | 36 | 2,977.95 GWh |
| Wisconsin | # 27 | 222 | 4,571.79 GWh |
| Wyoming | # 32 | 69 | 3,817.24 GWh |